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Science, New Series, Vol. 110, No. 2851, Aug. 19, 1949


Previous Issue: New Series, Vol. 110, No. 2850, Aug. 12, 1949
Next Issue: New Series, Vol. 110, No. 2852, Aug. 26, 1949


Civil Liberties of Scientists, pp. 177-179
Challenge to Social Science, pp. 179-183
Bruce Stewart


Technical Papers
Hemagglutinating Behavior of Mouse and Egg-Adapted Type A (PR8) Influenza Virus, p. 184
Seymour S. Kalter
Cytological Evidence Opposing the Theory of Brachymeiosis in the Ascomycetes, p. 185
Lindsay S. Olive
Inability of Thymine and Adenine to Substitute for Pteroylglutamic Acid in the Folic Acid-Deficient Rat, pp. 185-186
H. G. Petering; R. A. Delor
Use of Silicones in Aerobiology, p. 187
S. M. Pady; C. D. Kelly
Relation of Surface Phagocytosis to the Fibrinous Character of Acute Bacterial Exudates, pp. 187-188
Mary Ruth Smith; W. Barry Wood
A Method for Preventing Moisture Condensation during Photography of Tissue Cultures in Hanging Drops, pp. 188-189
Mary J. Hogue
Enzymatic Decomposition of Lignin, pp. 189-190
Sidney Gottlieb; Jerry H. Geller
The Hemostatic Activity of Amniotic Fluid, pp. 190-191
Albert E. Weiner; Duncan E. Reid; Charles C. Roby


Comments and Communications
The AEC Loyalty Oath, pp. 191-192
Marshall H. Stone
Method for Supplying a Laboratory with Warm Sea Water in Winter, pp. 192-193
Victor L. Loosanoff
Toxicity and the Chemical Properties of Ions, pp. 193-196
William Seifriz


News and Notes, pp. 197-200

Previous Issue: New Series, Vol. 110, No. 2850, Aug. 12, 1949
Next Issue: New Series, Vol. 110, No. 2852, Aug. 26, 1949



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